Exposure
- ID
- GRAVI.2025-07-11T06:08:03.493_2
- Header ID
- GRAVI.2025-07-11T06:08:03.493
- Date updated
- 2025-07-11 06:20:42 UTC+0000
- Release date
- 2026-07-11 06:20:42 UTC+0000
- UTC Start
- 2025-07-11 06:08:03.493
- UTC End
- 2025-07-11 06:14:03.493
- MJD Start
- 60867.25559598
- MJD End
- 60867.25976264667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004510500000000001
- Ambient temperature (°C)
- 10.44
- Seeing (arcsec)
- 0.585
Observation
- ID
- 68655
- Category
- science
- Program ID
- 113.26E7.001
- Program Title
- RESOLVING THE MAS-SCALE RELATIVISTIC JET AND THE SEED PHOTON FIELDS OF BLAZARS IN NEAR INFRARED
- Program Type
- Normal
- PI / COI
- HOVATTA / LINDFORS / KORHONEN / KHARB / WITTKOWSKI / PURSIMO
Target
- ID
- 41577
- Name
- 2MASS_J18133461+0615
- RA
- 273.3942291666666
- DEC
- 6.264371944444444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1450 | 56.2450 | 35.5000 | 35.4000 |
| U1-U3 | 102.3540 | 102.4090 | 39.8000 | 39.6000 |
| U1-U4 | 123.7020 | 122.7240 | 59.2470 | 58.8040 |
| U2-U3 | 46.5580 | 46.4960 | 45.0000 | 44.7000 |
| U2-U4 | 75.7800 | 74.5030 | 76.6270 | 76.2210 |
| U3-U4 | 43.6410 | 42.4950 | 110.6830 | 111.0940 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26E7.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60867.25559598 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | TXS 1811+062 |
| HIERARCH ESO INS SOBJ NAME | TXS_1811+062 |
| RA | 273.391753 |
| DEC | 6.26367 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 375.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.145 |
| HIERARCH ESO ISS PBL12 END | 56.245 |
| HIERARCH ESO ISS PBLA12 START | 35.5 |
| HIERARCH ESO ISS PBLA12 END | 35.4 |
| HIERARCH ESO ISS PBL13 START | 102.354 |
| HIERARCH ESO ISS PBL13 END | 102.409 |
| HIERARCH ESO ISS PBLA13 START | 39.8 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 123.702 |
| HIERARCH ESO ISS PBL14 END | 122.724 |
| HIERARCH ESO ISS PBLA14 START | 59.247 |
| HIERARCH ESO ISS PBLA14 END | 58.804 |
| HIERARCH ESO ISS PBL23 START | 46.558 |
| HIERARCH ESO ISS PBL23 END | 46.496 |
| HIERARCH ESO ISS PBLA23 START | 45.0 |
| HIERARCH ESO ISS PBLA23 END | 44.7 |
| HIERARCH ESO ISS PBL24 START | 75.78 |
| HIERARCH ESO ISS PBL24 END | 74.503 |
| HIERARCH ESO ISS PBLA24 START | 76.627 |
| HIERARCH ESO ISS PBLA24 END | 76.221 |
| HIERARCH ESO ISS PBL34 START | 43.641 |
| HIERARCH ESO ISS PBL34 END | 42.495 |
| HIERARCH ESO ISS PBLA34 START | 110.683 |
| HIERARCH ESO ISS PBLA34 END | 111.094 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004708 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004313 |
| HIERARCH ESO ISS AMBI TEMP | 10.44 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | 2MASS_J18133461+0615 |
| HIERARCH ESO FT ROBJ ALPHA | 181334.615 |
| HIERARCH ESO FT ROBJ DELTA | 061551.739 |